Rechargeable Lithium Battery Powered Street Car

A streetcar that recharges itself during breaking, eliminates the overhead wires commonly found on modern streetcars. This technology could improve and eliminate some barriers from streetcar’s in modern city public transportation.

The Railway Technical Research Institute in Kokubunji, Tokyo, has developed a streetcar powered by a lithium battery that can recharge in under …

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DIY Motion Activated Silly String Shooter

This week on Systm, the guys over at Revision3 put together a motion activated silly string shooter. They used a common motion flood light to trigger the project. The project also used compressed air and a solenoid to press the silly string can. My only issue with this project, is that I …

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DIY Video: Cotton Candy Machine

With a can of dog food, a blender, a blowtorch and a power drill this guy was able to spin some cotton candy. Dangerous? Yes. Delicious? Also yes.

DIY High Altitude Balloon

My project launched a payload with GPS, camera, sensors and communications to an altitude of 30km. I obtained most parts ready years ago, but only recently had time to finish it.

High altitude ballooning is an emerging hobby, since price of GPS and communications equipment has gotten quite low. It is an excellent …

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Systm Podcast: Underwater ROV

This weeks systm features underwater ROV’s.

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Homemade Nigerian Helicopter

24 Year old Nigerian physics student builds helicopter, using two cars.

Mubarak Muhammad Abdullahi, seen here, a 24-year-old physics undergraduate in northern Nigeria, takes old cars and motorbikes to pieces in the back yard at home and builds his own helicopters from the parts

Read The …

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DIY RV Camper

If this isn’t DIY, then I don’t know what is. This family set out to make a RV Camper on top of a fifth wheel trailer. Total cost to build this beautiful camper was only $9300!!

Extreme Testing Of A Flash Drive

Bob Buskirk over at ThinkComputers.org has a unique way of testing a Flash Drive. The Corsair Flash Voyager is a new rugged flash drive, meant to protect your data where ever you decide to go. Bob puts the drive trough hell and back. The results surprised me, the drive survived. Amazing, I expected …

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Simple 12 Volt Battery Hack

You’ll be surprised at what’s inside certain types of 12v batteries and what you can do with them!

Metal Storm: 1 Million Rounds A Minute

Although amazing, how many bullets are to many.